How do i change the start up background music in Ubuntu and can i add any customized music for startup? What are the various ways of setting this?
When i connect OpenOffice ppt for projector, it doesnt display or detect anything.While i can run the same in my windows OS installed alongside. I donot know if it is a possible driver problem or a software problem. Please help incase someone has solved such a problem.
Possible Duplicate:
How do I set Windows to boot as the default in the boot loader?
How to set Windows 7 as default for booting? I am using Dual boot in my laptop. And how do i later shift to Ubuntu easily?
I had deleted an important file once and later i had changed the permissions of a file which i am not able to revert now. Is there any way through which i can undo delete or revert permissions on files while working with terminal?
And one more question about Ubuntu ... Why do we never get a dialog box asking 'are you sure you want to delete' as compared to windows.I see it as a flaw in Ubuntu GUI. Once you press delete,there it is in the trash but never prompts to ask if we really want it to be deleted and ofcourse, I know ppl would be like -- why you want reassurance before deleting...it is a part of HCI and should be implemented(I am sorry,just a beginner).
I understand the ideas behind open source software, but I am more interested in the security aspects. How is open source software not exposed to viruses or any kind of Internet attack? How does it stay secure over time? I have heard that open source software is prone to attacks, but the chances are less than Windows-based software. I am unclear about this.
And why do some Linux users not use an antivirus?